from flask import Flask
from flask import request

app = Flask(__name__)

@app.route('/', methods=['GET', 'POST'])
def home():
	return '<h1>Home</h1>'
	
@app.route('/signin', methods=['GET'])
def signin_form():
	return '''<form action="/signin" method="post">
			  <p><input name="username"></p>
			  <p><input name="password"></p>
			  <p><button type="submit">Sign in</button></p>
			  </form>'''
			  
@app.route('/signin', methods=['POST'])
def signin():
	if request.form['username'] == 'admin' and request.form['password'] == 'admin':
		return '<h3>Hello, admin!</h3>'
	return '<h3>Bad username or password.</h3>'
	
if __name__ == '__main__':
	app.run()